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[Qemu-devel] [PATCH 31/34] ram: account the amount of transferred ram be
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 31/34] ram: account the amount of transferred ram better |
Date: |
Wed, 19 Dec 2012 13:33:54 +0100 |
Signed-off-by: Juan Quintela <address@hidden>
---
arch_init.c | 34 ++++++++++++++++++++--------------
1 file changed, 20 insertions(+), 14 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 978fe37..43a5b9e 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -265,16 +265,21 @@ uint64_t xbzrle_mig_pages_overflow(void)
return acct_info.xbzrle_overflows;
}
-static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset,
- int cont, int flag)
+static size_t save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset,
+ int cont, int flag)
{
- qemu_put_be64(f, offset | cont | flag);
- if (!cont) {
- qemu_put_byte(f, strlen(block->idstr));
- qemu_put_buffer(f, (uint8_t *)block->idstr,
- strlen(block->idstr));
- }
+ size_t size;
+
+ qemu_put_be64(f, offset | cont | flag);
+ size = 8;
+ if (!cont) {
+ qemu_put_byte(f, strlen(block->idstr));
+ qemu_put_buffer(f, (uint8_t *)block->idstr,
+ strlen(block->idstr));
+ size += 1 + strlen(block->idstr);
+ }
+ return size;
}
#define ENCODING_FLAG_XBZRLE 0x1
@@ -321,11 +326,11 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t
*current_data,
}
/* Send XBZRLE based compressed page */
- save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_XBZRLE);
+ bytes_sent = save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_XBZRLE);
qemu_put_byte(f, ENCODING_FLAG_XBZRLE);
qemu_put_be16(f, encoded_len);
qemu_put_buffer(f, XBZRLE.encoded_buf, encoded_len);
- bytes_sent = encoded_len + 1 + 2;
+ bytes_sent += encoded_len + 1 + 2;
acct_info.xbzrle_pages++;
acct_info.xbzrle_bytes += bytes_sent;
@@ -457,9 +462,10 @@ static int ram_save_block(QEMUFile *f, bool last_stage)
if (is_dup_page(p)) {
acct_info.dup_pages++;
- save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS);
+ bytes_sent = save_block_hdr(f, block, offset, cont,
+ RAM_SAVE_FLAG_COMPRESS);
qemu_put_byte(f, *p);
- bytes_sent = 1;
+ bytes_sent += 1;
} else if (migrate_use_xbzrle()) {
current_addr = block->offset + offset;
bytes_sent = save_xbzrle_page(f, p, current_addr, block,
@@ -471,9 +477,9 @@ static int ram_save_block(QEMUFile *f, bool last_stage)
/* either we didn't send yet (we may have had XBZRLE overflow) */
if (bytes_sent == -1) {
- save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE);
+ bytes_sent = save_block_hdr(f, block, offset, cont,
RAM_SAVE_FLAG_PAGE);
qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
- bytes_sent = TARGET_PAGE_SIZE;
+ bytes_sent += TARGET_PAGE_SIZE;
acct_info.norm_pages++;
}
--
1.7.11.7
- [Qemu-devel] [PATCH 22/34] migration: add XFER_LIMIT_RATIO, (continued)
- [Qemu-devel] [PATCH 22/34] migration: add XFER_LIMIT_RATIO, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 26/34] ram: rename last_block to last_seen_block, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 19/34] buffered_file: unfold buffered_append in buffered_put_buffer, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 12/34] migration: make qemu_fopen_ops_buffered() return void, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 20/34] savevm: New save live migration method: pending, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 23/34] migration: move migration_fd_put_ready(), Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 21/34] migration: move buffered_file.c code into migration.c, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 24/34] migration: Inline qemu_fopen_ops_buffered into migrate_fd_connect, Juan Quintela, 2012/12/19
- Re: [Qemu-devel] [PATCH 00/34] migration thread and queue, Paolo Bonzini, 2012/12/19
- [Qemu-devel] [PATCH 27/34] ram: Add last_sent_block, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 31/34] ram: account the amount of transferred ram better,
Juan Quintela <=
- [Qemu-devel] [PATCH 32/34] ram: refactor ram_save_block() return value, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 33/34] migration: fix qemu_get_fd for BufferedFile, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 29/34] ram: Use memory_region_test_and_clear_dirty, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 34/34] migration: merge QEMUFileBuffered into MigrationState, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 30/34] ram: optimize migration bitmap walking, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 25/34] migration: move migration notifier, Juan Quintela, 2012/12/19
- [Qemu-devel] [PATCH 28/34] memory: introduce memory_region_test_and_clear_dirty, Juan Quintela, 2012/12/19